Chapter 9 - Equations Flashcards
1
Q
What is the difference of 2 squares?
A
(x+a)(x-a)
2
Q
What is a trinomial?
A
Has 3 parts and produces 3 brackets when factorised
3
Q
What do you use for harder trinomials?
A
Bouncy - bouncy - method
4
Q
What is the quadratic formula?
A
-b +/- root b squared - 4ac all over 2a
5
Q
What do you do when completing the square?
A
Half the second part of the equation
